22. Round | 11/08/2018 | Jeju United | - | Pohang Steelers | 0:0 | ||||
23. Round | 15/08/2018 | Jeju United | - | Daegu FC | 2:3 | ||||
25. Round | 08/09/2018 | Jeju United | - | Suwon Bluewings | 0:0 | ||||
28. Round | 15/09/2018 | Jeonbuk FC | - | Jeju United | 4:0 | ||||
30. Round | 26/09/2018 | Ulsan Hyundai FC | - | Jeju United | 3:2 | ||||
33. Round | 20/10/2018 | Jeju United | - | FC Seoul | 1:0 |